Two auto lubes which may offer improvement: Mobil 1 V-Twin 20w50 motorcycle oil (40%) + Dexron ATF (40%) + STP Blue Bottle Oil Additive (20%)… Great lube - slang name is “ell snot” ! Next, mix Mobil 1 synthetic motor oil (0,5,10,15W 20,30,40,50) + add Mobil 1 synthetic Grease to the oil in a jar...